I see the 2014 Sportster 1200C has increased compression, 10:1 versus 9.7:1 for the 2013.

The torque spec is also different, 2014 has 70.8 Ft Lbs at 3500 rpm, the 2013 shows 79 ft lbs at 3250.


I wonder what else has changed?

 

ABS breaks as well = 2014

 

See here: https://www.hdforums.com/forum/sport...s-changes.html

 

Normally an increase in compression is accompanied by an increase in torque. I wonder if the bikes for all 50 states have been California'd. That's real bad if true.

 

It is said the big twins have new cams, perhaps the Sportys do too. Peak torque may be down a little, but it may have a wider spread and be quicker to ride.

 

Might be right, I do not see the California emissions option listed as a additional cost on the 2014 models, it is listed for the 2013s.

 

I have no idea why the change in the spec, but this is a very intelligent comment. A high peak torque value is not necessarily a good thing. An ideal torque curve is table flat, meaning the cylinder fill is constant across the rpm range. A table flat torque curve produces a straight diagonal power curve going up and to the right. A setup that pulls hard at one rpm (thus creating a high peak torque value) at the expense of other rpm's is generally less desirable on a street bike. So the peak torque number really doesn't tell you much by itself, it's how it's spread out that matters.

 

I wonder as well, what impact the addition of cats in the 2014 exhaust might be.

 

I guess they didn't nothing to the engine, just adapt the EFI managing unit to get new torque curves. That's the way they do it elsewhere.

 

Don't forget H-D numbers are quoted at the crank, not the rear wheel.